1793 in Australia
- 16 January – Bellona arrives with Australia's first free settlers.
- 22 January – The French d'Entrecasteaux expedition returns to Recherche Bay, Tasmania, to rewater and rest.
- 12 February – John Macarthur is granted 100 acres (0.40 km2) of land at Parramatta.
- 16 February – John Macarthur is appointed by Grose as inspector of public works.
- 18 February – A school opens in an unfinished church building is Sydney; Isabella Rosson is the first teacher (the first school had been established in 1789).
- 28 February – d'Entrecasteaux expedition leaves Tasmania towards the Friendly Islands, continuing search for La Pérouse.
- 2 May – Mary Bryant is pardoned in England.
- May – Bennelong and Yemmerrawanne become the first Aboriginal Australians to visit Britain when they land at Falmouth, Cornwall, with Arthur Phillip.
- 15 September – Captain William Paterson leads a party of Scotsmen in the first attempt to cross the Blue Mountains. He is unsuccessful.
- 25 September – Sydney's first church opens.
- Macquarie Lighthouse, the first in Australia, is erected in Sydney.